Add drawRegion() API to SkCanvas

src/core/SkPictureRecord.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureRecord_DEFINED
 #define SkPictureRecord_DEFINED
 
@@ skipping 168 matching lines @@
 
     void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
                              const SkPoint texCoords[4], SkXfermode* xmode,
                              const SkPaint& paint) override;
     void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int,
                      SkXfermode::Mode, const SkRect*, const SkPaint*) override;
 
     void onDrawPaint(const SkPaint&) override;
     void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
     void onDrawRect(const SkRect&, const SkPaint&) override;
+    void onDrawRegion(const SkRegion&, const SkPaint&) override;
     void onDrawOval(const SkRect&, const SkPaint&) override;
     void onDrawArc(const SkRect&, SkScalar, SkScalar, bool, const SkPaint&) override;
     void onDrawRRect(const SkRRect&, const SkPaint&) override;
     void onDrawPath(const SkPath&, const SkPaint&) override;
     void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
                          const SkPaint*, SrcRectConstraint) override;
     void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
                          const SkPaint*) override;
     void onDrawImageLattice(const SkImage*, const SkCanvas::Lattice& lattice, const SkRect& dst,
@@ skipping 78 matching lines @@
 
     uint32_t fRecordFlags;
     int      fInitialSaveCount;
 
     friend class SkPictureData;   // for SkPictureData's SkPictureRecord-based constructor
 
     typedef SkCanvas INHERITED;
 };
 
 #endif